.list-icon{
    color: #3d4145;
    margin-right: .3rem;
    font-size: .35rem
}
/* 弹出框 */
.dialog{
    height: 2.7rem;
    width: 3.2rem;
    border-radius: 0.15rem;
    overflow: hidden;
    position: absolute;
    right:0.1rem;
    top: 1.12rem;
    z-index: 300;
}
/* 箭头 */
.dialog-top{
    position: absolute;
    z-index: 300;
    border-top:0.26rem solid transparent;
    border-left:0.26rem solid transparent;
    border-right:0.26rem solid transparent;   
    border-bottom: 0.26rem solid #fff;
    right:0.25rem;
    top: 0.6rem;
}

.border-bottom{
    border-bottom: 1px solid #e5e5e5;
}